Regional factor
The first ZIP digit applies a broad 0.94–1.16 labor-and-market adjustment. It cannot capture neighborhood pricing.
US installation budget planner
Start with a range. Finish with a written scope.
Use your ZIP code, project type and likely installation complexity to screen a broad budget before requesting local proposals.
Published assumptions
What changes the range.
The model is an editorial screen built from national project bands—not live contractor bids or a claim about a specific ZIP code.
Complexity
Moderate work adds 18%; complex access or major upgrades add 40% to the base screen.
Included conceptually
The range is intended for installed equipment and ordinary labor, with final scope still requiring itemization.
Not guaranteed
Permits, code corrections, panel work, duct reconstruction, asbestos, cranes and incentives can materially change cost.